Different between DbContext.Find() and DbContext.SingleOrDefault() Entity Framework Core

Entity Framework : Sharing entities across different DbContexts

When dealing with various circumstances, you have two choices:...As if they were independent programs, treat each scenario separately. Consider the possibility that your user is an external resource you obtain through a web service. A foreign key cannot be added to that. In this case, you would either add simply the userId to your tables and call t...

Create a database relationship between 2 entities in different Entity Framework DbContexts

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Get DbContext from Entity in Entity Framework Core

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EF Core - Disposable DbContext and Attach() - or - DbContext as member - or - Disconnected Entities

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Log DbContext.SaveChanges Exception to the database in Entity Framework/Entity Framework Core

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Using Identity DbContext and DbContext in a class library in ASP.NET Core

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Using a single Entity Framework Core DbContext to manage multiple database schemas with homonymous tables

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DBContext System.ObjectDisposed Exception with .NET Entity Framework Core, Dependency Injection and threading

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Entity Framework 6.2 copy many to many from one DbContext to another DbContext

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Entity Framework Core: different threads using the same instance of DbContext

You're attempting to utilize a single, shared resource....Project... class) to carry out concurrent actions (save...UserLog... The implementation of your shared resources is not thread-safe (exceptions raised)....There are three possible solutions at least:...Register before using a shared resource....Project... instead of singletone, per scope;...